import * as utils from "../utils";
import * as common from "../common";
import assert from "assert";
'use strict';
var rotr64_hi = utils.rotr64_hi;
var rotr64_lo = utils.rotr64_lo;
var shr64_hi = utils.shr64_hi;
var shr64_lo = utils.shr64_lo;
var sum64 = utils.sum64;
var sum64_hi = utils.sum64_hi;
var sum64_lo = utils.sum64_lo;
var sum64_4_hi = utils.sum64_4_hi;
var sum64_4_lo = utils.sum64_4_lo;
var sum64_5_hi = utils.sum64_5_hi;
var sum64_5_lo = utils.sum64_5_lo;
var BlockHash = common.BlockHash;
var sha512_K = [
    0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
    0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
    0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
    0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
    0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
    0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
    0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
    0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
    0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
    0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
    0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
    0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
    0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
    0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
    0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
    0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
    0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
    0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
    0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
    0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
    0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
    0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
    0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
    0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
    0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
    0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
    0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
    0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
    0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
    0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
    0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
    0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
    0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
    0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
    0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
    0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
    0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
    0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
    0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
    0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
];
function SHA512() {
    if (!(this instanceof SHA512))
        return new SHA512();
    BlockHash.call(this);
    this.h = [
        0x6a09e667, 0xf3bcc908,
        0xbb67ae85, 0x84caa73b,
        0x3c6ef372, 0xfe94f82b,
        0xa54ff53a, 0x5f1d36f1,
        0x510e527f, 0xade682d1,
        0x9b05688c, 0x2b3e6c1f,
        0x1f83d9ab, 0xfb41bd6b,
        0x5be0cd19, 0x137e2179
    ];
    this.k = sha512_K;
    this.W = new Array(160);
}
utils.inherits(SHA512, BlockHash);
SHA512.blockSize = 1024;
SHA512.outSize = 512;
SHA512.hmacStrength = 192;
SHA512.padLength = 128;
SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) {
    var W = this.W;
    // 32 x 32bit words
    for (var i = 0; i < 32; i++)
        W[i] = msg[start + i];
    for (; i < W.length; i += 2) {
        var c0_hi = g1_512_hi(W[i - 4], W[i - 3]); // i - 2
        var c0_lo = g1_512_lo(W[i - 4], W[i - 3]);
        var c1_hi = W[i - 14]; // i - 7
        var c1_lo = W[i - 13];
        var c2_hi = g0_512_hi(W[i - 30], W[i - 29]); // i - 15
        var c2_lo = g0_512_lo(W[i - 30], W[i - 29]);
        var c3_hi = W[i - 32]; // i - 16
        var c3_lo = W[i - 31];
        W[i] = sum64_4_hi(c0_hi, c0_lo, c1_hi, c1_lo, c2_hi, c2_lo, c3_hi, c3_lo);
        W[i + 1] = sum64_4_lo(c0_hi, c0_lo, c1_hi, c1_lo, c2_hi, c2_lo, c3_hi, c3_lo);
    }
};
SHA512.prototype._update = function _update(msg, start) {
    this._prepareBlock(msg, start);
    var W = this.W;
    var ah = this.h[0];
    var al = this.h[1];
    var bh = this.h[2];
    var bl = this.h[3];
    var ch = this.h[4];
    var cl = this.h[5];
    var dh = this.h[6];
    var dl = this.h[7];
    var eh = this.h[8];
    var el = this.h[9];
    var fh = this.h[10];
    var fl = this.h[11];
    var gh = this.h[12];
    var gl = this.h[13];
    var hh = this.h[14];
    var hl = this.h[15];
    assert(this.k.length === W.length);
    for (var i = 0; i < W.length; i += 2) {
        var c0_hi = hh;
        var c0_lo = hl;
        var c1_hi = s1_512_hi(eh, el);
        var c1_lo = s1_512_lo(eh, el);
        var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl);
        var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl);
        var c3_hi = this.k[i];
        var c3_lo = this.k[i + 1];
        var c4_hi = W[i];
        var c4_lo = W[i + 1];
        var T1_hi = sum64_5_hi(c0_hi, c0_lo, c1_hi, c1_lo, c2_hi, c2_lo, c3_hi, c3_lo, c4_hi, c4_lo);
        var T1_lo = sum64_5_lo(c0_hi, c0_lo, c1_hi, c1_lo, c2_hi, c2_lo, c3_hi, c3_lo, c4_hi, c4_lo);
        c0_hi = s0_512_hi(ah, al);
        c0_lo = s0_512_lo(ah, al);
        c1_hi = maj64_hi(ah, al, bh, bl, ch, cl);
        c1_lo = maj64_lo(ah, al, bh, bl, ch, cl);
        var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo);
        var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo);
        hh = gh;
        hl = gl;
        gh = fh;
        gl = fl;
        fh = eh;
        fl = el;
        eh = sum64_hi(dh, dl, T1_hi, T1_lo);
        el = sum64_lo(dl, dl, T1_hi, T1_lo);
        dh = ch;
        dl = cl;
        ch = bh;
        cl = bl;
        bh = ah;
        bl = al;
        ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo);
        al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo);
    }
    sum64(this.h, 0, ah, al);
    sum64(this.h, 2, bh, bl);
    sum64(this.h, 4, ch, cl);
    sum64(this.h, 6, dh, dl);
    sum64(this.h, 8, eh, el);
    sum64(this.h, 10, fh, fl);
    sum64(this.h, 12, gh, gl);
    sum64(this.h, 14, hh, hl);
};
SHA512.prototype._digest = function digest(enc) {
    if (enc === 'hex')
        return utils.toHex32(this.h, 'big');
    else
        return utils.split32(this.h, 'big');
};
function ch64_hi(xh, xl, yh, yl, zh) {
    var r = (xh & yh) ^ ((~xh) & zh);
    if (r < 0)
        r += 0x100000000;
    return r;
}
function ch64_lo(xh, xl, yh, yl, zh, zl) {
    var r = (xl & yl) ^ ((~xl) & zl);
    if (r < 0)
        r += 0x100000000;
    return r;
}
function maj64_hi(xh, xl, yh, yl, zh) {
    var r = (xh & yh) ^ (xh & zh) ^ (yh & zh);
    if (r < 0)
        r += 0x100000000;
    return r;
}
function maj64_lo(xh, xl, yh, yl, zh, zl) {
    var r = (xl & yl) ^ (xl & zl) ^ (yl & zl);
    if (r < 0)
        r += 0x100000000;
    return r;
}
function s0_512_hi(xh, xl) {
    var c0_hi = rotr64_hi(xh, xl, 28);
    var c1_hi = rotr64_hi(xl, xh, 2); // 34
    var c2_hi = rotr64_hi(xl, xh, 7); // 39
    var r = c0_hi ^ c1_hi ^ c2_hi;
    if (r < 0)
        r += 0x100000000;
    return r;
}
function s0_512_lo(xh, xl) {
    var c0_lo = rotr64_lo(xh, xl, 28);
    var c1_lo = rotr64_lo(xl, xh, 2); // 34
    var c2_lo = rotr64_lo(xl, xh, 7); // 39
    var r = c0_lo ^ c1_lo ^ c2_lo;
    if (r < 0)
        r += 0x100000000;
    return r;
}
function s1_512_hi(xh, xl) {
    var c0_hi = rotr64_hi(xh, xl, 14);
    var c1_hi = rotr64_hi(xh, xl, 18);
    var c2_hi = rotr64_hi(xl, xh, 9); // 41
    var r = c0_hi ^ c1_hi ^ c2_hi;
    if (r < 0)
        r += 0x100000000;
    return r;
}
function s1_512_lo(xh, xl) {
    var c0_lo = rotr64_lo(xh, xl, 14);
    var c1_lo = rotr64_lo(xh, xl, 18);
    var c2_lo = rotr64_lo(xl, xh, 9); // 41
    var r = c0_lo ^ c1_lo ^ c2_lo;
    if (r < 0)
        r += 0x100000000;
    return r;
}
function g0_512_hi(xh, xl) {
    var c0_hi = rotr64_hi(xh, xl, 1);
    var c1_hi = rotr64_hi(xh, xl, 8);
    var c2_hi = shr64_hi(xh, xl, 7);
    var r = c0_hi ^ c1_hi ^ c2_hi;
    if (r < 0)
        r += 0x100000000;
    return r;
}
function g0_512_lo(xh, xl) {
    var c0_lo = rotr64_lo(xh, xl, 1);
    var c1_lo = rotr64_lo(xh, xl, 8);
    var c2_lo = shr64_lo(xh, xl, 7);
    var r = c0_lo ^ c1_lo ^ c2_lo;
    if (r < 0)
        r += 0x100000000;
    return r;
}
function g1_512_hi(xh, xl) {
    var c0_hi = rotr64_hi(xh, xl, 19);
    var c1_hi = rotr64_hi(xl, xh, 29); // 61
    var c2_hi = shr64_hi(xh, xl, 6);
    var r = c0_hi ^ c1_hi ^ c2_hi;
    if (r < 0)
        r += 0x100000000;
    return r;
}
function g1_512_lo(xh, xl) {
    var c0_lo = rotr64_lo(xh, xl, 19);
    var c1_lo = rotr64_lo(xl, xh, 29); // 61
    var c2_lo = shr64_lo(xh, xl, 6);
    var r = c0_lo ^ c1_lo ^ c2_lo;
    if (r < 0)
        r += 0x100000000;
    return r;
}
export default SHA512;
